43 lines
1.8 KiB
JavaScript
43 lines
1.8 KiB
JavaScript
/* eslint-env jest */
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// These tests are based on https://github.com/zertosh/htmlescape/blob/3e6cf0614dd0f778fd0131e69070b77282150c15/test/htmlescape-test.js
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// License: https://github.com/zertosh/htmlescape/blob/0527ca7156a524d256101bb310a9f970f63078ad/LICENSE
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import { htmlEscapeJsonString } from 'next/dist/server/htmlescape'
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import vm from 'vm'
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describe('htmlescape', () => {
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test('with angle brackets should escape', () => {
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const evilObj = { evil: '<script></script>' }
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expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe('{"evil":"\\u003cscript\\u003e\\u003c/script\\u003e"}')
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})
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test('with angle brackets should parse back', () => {
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const evilObj = { evil: '<script></script>' }
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expect(JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))).toMatchObject(evilObj)
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})
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test('with ampersands should escape', () => {
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const evilObj = { evil: '&' }
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expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe('{"evil":"\\u0026"}')
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})
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test('with ampersands should parse back', () => {
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const evilObj = { evil: '&' }
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expect(JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))).toMatchObject(evilObj)
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})
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test('with "LINE SEPARATOR" and "PARAGRAPH SEPARATOR" should escape', () => {
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const evilObj = { evil: '\u2028\u2029' }
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expect(htmlEscapeJsonString(JSON.stringify(evilObj))).toBe('{"evil":"\\u2028\\u2029"}')
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})
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test('with "LINE SEPARATOR" and "PARAGRAPH SEPARATOR" should parse back', () => {
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const evilObj = { evil: '\u2028\u2029' }
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expect(JSON.parse(htmlEscapeJsonString(JSON.stringify(evilObj)))).toMatchObject(evilObj)
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})
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test('escaped line terminators should work', () => {
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expect(() => {
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vm.runInNewContext('(' + htmlEscapeJsonString(JSON.stringify({ evil: '\u2028\u2029' })) + ')')
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}).not.toThrow()
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})
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})
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